Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Diagnostic Test
- INTERMITTENT CONDITION
- Turn the ignition on.
- With the scan tool, clear all TIPM DTCs.
- Turn the Wipers on.
- With the scan tool, read the Wiper DTCs.
Does the scan tool read: B2377-REAR WASHER SWITCH INPUT CIRCUIT?
Yes
- Go to step 2
No
- The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- WASHER MOTOR
- With the scan tool, erase DTCs.
- Turn the ignition off.
- Disconnect the Washer Motor harness connector.
- Turn the ignition on.
- Wait 30 seconds
- With the scan tool, read DTCs.
Does the scan tool read: B2377-REAR WASHER SWITCH INPUT CIRCUIT?
Yes
- Replace the Washer Motor in accordance with the service information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Go to step 3
- (W20) REAR WASHER PUMP MOTOR CONTROL CIRCUIT SHORTED
- Turn the ignition off.
- Disconnect the TIPM C1 harness connector.
- Measure the resistance between ground and the (W20) Rear Washer Pump Motor Control Circuit.
Is the resistance below 5.0 Ohms?
Yes
- Repair the (W20) Rear Washer Pump Motor Control Circuit for a shorted condition.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Replace the Totally Integrated Power Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.